      <div id="content" class="grid_16"> 
        <ul id="side-bar" class="grid_3 omega">  
          <li>
            Kidswear
          </li>
          <li>
            Option 2
          </li>
          <li>
            Option 3
          </li>
          <li>
            Option 4
          </li>
          <li>
            Option 5
          </li>
        </ul>   
        <ul id="mainContent" class="grid_12 alpha">  
          <li class="product-item">
            <img src="img/dress1.jpg" class="product-img" />
          </li>
          <li class="product-item">
            <img src="img/dress2.jpg" class="product-img" />
          </li>
          <li class="product-item">
            <img src="img/dress3.jpg" class="product-img" />
          </li>
          <li class="product-item">
            <img src="img/dress4.jpg" class="product-img" />
          </li>
        </ul>
      </div>